ByLinky Johnson 2018-11-14 6782
First, there are three types of watches. Mechanical, quartz, electronics. Each has its own merits. Mechanical: the first was mechanical watches, which were powered by spirals. The advantage is that the service life is relatively long (this varies from person to person, and the use of the environment and normal maintenance) has a practical moon phase function (only high-grade watch) technology is fairly mature. Cons: there will be errors, usually within 5 to 15 seconds per day. I think people who like mechanical watches love their cultural deposits and complicated mechanical structure more. Quartz: slightly younger than mechanical. Quartz watches are powered by batteries and electric motors. Advantage: can be made very thin, travel time accurate, do not need to chain, error of a month ten to 30 seconds or so. Disadvantages: you need to replace the battery for one or two years. The life of the movement is about five to ten years. Electronics watches: dynamic and challenging. Pros: powerful, travel time within 10 to 30 seconds a year, compass, etc. Cons: it will take a year or two to replace the battery.
Second: material selection. The average material is pure gold, gold-plated, stainless steel, alloy, titanium, rubber, ceramic. Pure gold: the selling price is more than 10,000 yuan, and there is no obvious drawback. Gilding: the price is not fixed, defects long time easy to wear away. Stainless steel, alloy, titanium: it's all this material on the market, and the price is right. It's important to note that sweating or chemical work is prone to corrosion. Rubber: a new product, affordable. Colour modelling is diversiform. Beware of rubber allergies. Ceramics: affordable and beautiful. Cons: the inferior is not very strong.
Third: pay attention to after-sale problems. Try not to buy these items overseas. There is no absolute thing. No matter how a foreign watch is, there is always a problem for it. It needs to be repaired. There is free after-sales maintenance in general two years. Where to go for sale? When buying, check out whether your city has the authorized place for sale.
1. The appearance of the watch: the outer shell, the surface and the needle shall be free of scratches. The coating shall be bright and uniform, and the joint shall be well connected. 2. the watch is starting to perform: slowly spin the handle to the top of the handle, and to look at the second hand, and the less time the clock is spinning, the better the starting performance of the watch. 3. Watch strap: it should feel easy to wind up with no noise. The important thing to note here is that the automatic watch will slip when it's fully wound, which is normal. 4. Dial needle of watch: the hand induction is comfortable, too tight or too loose do not work. The hour mark shall be coordinated (when the hour mark is aligned to 3, 6, 9 and 12 characters respectively, the minute mark shall not deviate from 12 characters + / - 4 minute grid), and the time, minutes and seconds shall not touch each other. 5. Manual sound: when the watch is wound, your should listen to the sound of the watch. It should be clear and even without noise, and it should not change with direction. 6. Walking precision of the watch: it needs to be measured with a special instrument, and technicians can be asked to check the walking accuracy and position error after sales of the corresponding watch brand.
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